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JPL Small-Body Database Browser
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(2019 SE2)
Classification: Apollo [NEO]          SPK-ID: 3843925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3474674637314208 0.00056587  
a 1.259428888716608 0.00082747 au
q .8218183270041665 0.00017274 au
i 9.968065911926132 0.016748 deg
node 184.5965484069402 0.0010231 deg
peri 270.1581040959883 0.0089757 deg
M 36.87866713279087 0.37455 deg
tp 2459343.615108354759
(2021-May-09.11510835)
0.48499 TDB
period 516.2486193910839
1.41
0.50878
0.001393
d
yr
n .6973384266375774 0.00068725 deg/d
Q 1.69703945042905 0.001115 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      16 days  
   first obs. used      2019-09-20  
   last obs. used      2019-10-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .53471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:44:37  

Additional Information
 Earth MOID = .0486708 au 
 Jupiter MOID = 3.52188 au 
 T_jup = 5.040 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458754.5 (2019-Sep-28.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3476089058299472 0.00056853  
q .8217526182762284 0.00017413 au
tp 2458827.241051739584
(2019-Dec-09.74105174)
0.026452 TDB
node 184.6559931047924 0.0011409 deg
peri 270.0675208042875 0.009459 deg
i 9.982919438251894 0.016681 deg
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      16 days  
   first obs. used      2019-09-20  
   last obs. used      2019-10-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .53471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:44:37  

Additional Information
 Jupiter MOID = 3.52188 au 
 T_jup = 5.040 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.232242284033983E-7 -9.898880988507988E-8 -1.503847870630274E-5 6.485277016781344E-7 -5.375564256628009E-6 9.483062179251225E-6
q -9.898880988507988E-8 3.031954768704666E-8 4.605491156565149E-6 -1.986351622038357E-7 1.645799690952004E-6 -2.904021131512099E-6
tp -1.503847870630274E-5 4.605491156565149E-6 .0006996979200712575 -3.0173501046072E-5 .000250127219670239 -.0004412137930548843
node 6.485277016781344E-7 -1.986351622038357E-7 -3.0173501046072E-5 1.30173003599771E-6 -1.078376837027302E-5 1.902610610978456E-5
peri -5.375564256628009E-6 1.645799690952004E-6 .000250127219670239 -1.078376837027302E-5 8.947198131144271E-5 -.0001577354448312331
i 9.483062179251225E-6 -2.904021131512099E-6 -.0004412137930548843 1.902610610978456E-5 -.0001577354448312331 .0002782393983562032

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.1   .37859 MPO504269 autocmod 2.8

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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